# SDR HALA20250123030

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 22, 2025
- Submitted: January 23, 2025
- Operation: Air carrier
- Aircraft: [N4663K](https://openairdocs.org/aircraft/N4663K), registered now
- Make and model: Airbus A330-343
- Registry model: [Airbus A330-343](https://openairdocs.org/model/airbus-a330-343) (OpenAirDocs)
- Aircraft serial: 1865
- Aircraft time: 577 hours, 176 cycles
- System (JASC): [2160 · Cabin Temperature Control System](https://openairdocs.org/jasc/2160)
- Part: Controller
- Part number: 978C000008
- Part serial: 0978C00LI002263
- Condition: Faulted
- Location: Zone 100
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA20250123030

## Discrepancy

ETOPS - CKPT TRIM AIR EITHER FULL OPEN OR FULL CLOSED REGARDLESS OF KNOB POSITION ONLY FIRST THIRD OF FLIGHT. REMOVED AND REPLACED ZONE CONTROLLER PER AMM 21-63-34. PERFORMED SYS TEST OF COCKPIT AND CABIN TEM CONT. PER AMM 21-63-00 OPS CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.